Tire tread



FIG. 1 is a perspective view of the tire tread showing our design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is an enlarged view of a portion thereof; and,

FIG. 7 is a cross-sectional view taken along line 7-7 in FIG. 6.

The broken lines are used to show unclaimed environment, and thus form no part of the claimed design. 

CLAIM The ornamental design for a tire tread, as shown and described. 